CN217580103U

CN217580103U - Bored concrete pile body of synchronous slip casting

Info

Publication number: CN217580103U
Application number: CN202221348578.2U
Authority: CN
Inventors: 王惠畴
Original assignee: Guangdong Tengdu Construction Of Foundation Co ltd
Current assignee: Guangdong Tengdu Construction Of Foundation Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-14
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a bored concrete pile body of synchronous slip casting, which comprises a base, the vertical reinforcing bar cage that is provided with in top on chassis, the outside of reinforcing bar cage is provided with the stake pipe, the bottom on chassis is provided with prevents subsiding the structure. This bored concrete pile body of synchronous slip casting is through being provided with the backing plate, bounding wall and logical groove, during the use, pile hole back is beaten in advance on ground, arrange the bottom of the hole in the chassis, the backing plate pad is between chassis and ground, transfer stake pipe and reinforcing bar cage after that, pour into the concrete in step along the stake pipe, the concrete that constantly flows gushes out and spreads on the backing plate along the logical groove of stake socle portion, the trickling face of concrete can be injectd to the bounding wall, make its bottom present a smooth circular, enlarge the stress surface through the bottom surface area that increases the stake, make its probability of sinking lower, the function of preventing subsiding of enlarged bottom surface has been realized, the problem of the device does not possess the function of preventing subsiding of enlarged bottom surface is solved.

Description

Synchronous grouting cast-in-place pile body

Technical Field

The utility model relates to a bored concrete pile body technical field specifically is a bored concrete pile body of synchronous slip casting.

Background

The cast-in-place pile is a pile which is formed by in-place pore forming and pouring concrete or reinforced concrete, is common in the field of construction, and has a sunk pipe cast-in-place pile, most of conventional synchronous cast-in-place pile bodies on the current market have simple structures, and have functional defects in the using process and need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bored concrete pile body of synchronous slip casting to what provide does not possess among the above-mentioned background art and enlarges the problem of the function that the bottom surface prevents subsiding.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bored concrete pile body of synchronous slip casting, includes the chassis, the vertical reinforcing bar cage that is provided with in top on chassis, the outside of reinforcing bar cage is provided with the stake pipe, the inside of stake pipe is provided with a gypsum section of thick bamboo, the top of both ends and the left and right sides is pegged graft respectively around the stake pipe has fixing bolt, the outside bottom welding of reinforcing bar cage has the steel lantern ring, the bottom on chassis is provided with prevents subsiding the structure.

The anti-settling structure comprises a base plate, the base plate is fixedly connected to the bottom end of the chassis, and a coaming is sleeved outside the base plate.

Preferably, the vertical center line of the backing plate coincides with the vertical center line of the chassis.

Preferably, four groups of through grooves are formed in the bottom end of the pile pipe, and the top end inside each through groove is higher than the top end of the chassis.

Preferably, the fixing bolt penetrates through the inside of the pile pipe and extends into the inside of the gypsum cylinder, and the pile pipe and the gypsum cylinder are in contact with each other but are not connected.

Preferably, the inner wall of the gypsum cylinder is vertically and fixedly connected with a plurality of groups of extending ribs, and the extending ribs are arranged at equal intervals.

Preferably, the inside of the steel lantern ring is provided with a plurality of groups of reinforcing steel bar holes, a plurality of groups of positioning steel bars are vertically inserted into the outer edge of the top end of the chassis, and the size positions of the reinforcing steel bar holes correspond to the size positions of the positioning steel bars one by one.

Compared with the prior art, the beneficial effects of the utility model are that: the synchronous grouting cast-in-place pile body not only realizes the functions of enlarging the bottom surface and preventing sedimentation, but also realizes the functions of shaping the pile body and preventing loosening and collapse, and also realizes the functions of vertically lowering and preventing deflection;

(1) By arranging the backing plate, the enclosing plate and the through groove, when the device is used, after a pile hole is drilled in advance in the ground, the chassis is placed at the bottom of the pile hole, the backing plate is arranged between the chassis and the ground, then the pile pipe and the steel bar cage are put down, the concrete is synchronously poured along the pile pipe, the continuously flowing concrete flows out along the through groove at the bottom of the pile pipe and is diffused on the backing plate, the enclosing plate can limit the flowing surface of the concrete, the bottom of the enclosing plate is in a flat round shape, the stress surface is enlarged by increasing the bottom area of the pile, the sinking probability is lower, and the function of enlarging the bottom surface and preventing the sinking is realized;

(2) By arranging the gypsum cylinder, the extension arris and the fixing bolt, when the pile is used, along with the pouring of concrete, when the pile needs to be taken off, the fixing bolt is pulled out, then the pile pipe is lifted upwards, the pile pipe and the gypsum cylinder are separated from each other, the gypsum cylinder is sleeved outside the concrete and forms a main body of the pile together with the steel bar cage, the concrete is prevented from being fractured and collapsed, the extension arris can increase the connection between the concrete and the gypsum cylinder, the fixing bolt plays a role in fixing the gypsum cylinder, the falling off in the process of putting down the pile pipe is prevented, and the function of shaping the pile body and preventing loosening and collapsing is realized;

(3) Through being provided with the steel lantern ring, reinforcing bar hole and spacer bar, during the use, along with taking one's place of chassis, transfer the reinforcing bar cage through the loop wheel machine, after the outside steel lantern ring of reinforcing bar cage touches the spacer bar top, promote the rotation of reinforcing bar cage through fork or other rod-shaped instruments, make reinforcing bar hole and spacer bar on the steel lantern ring align, spacer bar wears out along the reinforcing bar hole, reinforcing bar cage descends perpendicularly and the position is injectd, realized transferring perpendicularly and prevented the function of skew.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the enlarged structure of the pile tube from the bottom;

fig. 3 is an enlarged schematic structural view of a section a in fig. 1 according to the present invention;

fig. 4 is the utility model discloses a reinforcing bar cage overlooks enlarged structure schematic diagram.

In the figure: 1. a chassis; 2. a backing plate; 3. enclosing plates; 4. a through groove; 5. pile pipes; 6. a reinforcement cage; 7. a gypsum cylinder; 8. an extension edge; 9. fixing the bolt; 10. a steel lantern ring; 11. reinforcing steel bar holes; 12. and (5) positioning the reinforcing steel bars.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a synchronous grouting cast-in-place pile body comprises a chassis 1, a reinforcement cage 6 is vertically arranged above the chassis 1, a pile pipe 5 is arranged outside the reinforcement cage 6, and an anti-settling structure is arranged at the bottom end of the chassis 1;

referring to fig. 1-4, the synchronous grouting cast-in-place pile body further comprises an anti-settling structure, the anti-settling structure comprises a backing plate 2, the backing plate 2 is fixedly connected to the bottom end of the chassis 1, a coaming 3 is sleeved outside the backing plate 2, the vertical center line of the backing plate 2 is coincident with the vertical center line of the chassis 1, four groups of through grooves 4 are formed in the bottom end of the pile tube 5, the top ends inside the through grooves 4 are higher than the top end of the chassis 1, and the bottom surface is increased to reduce the settling probability;

specifically, as shown in fig. 1 and fig. 2, a construction method includes the steps of firstly drilling a pile hole on the ground in advance, placing a chassis 1 at the bottom of the pile hole, placing a backing plate 2 between the chassis 1 and the ground, then placing a pile pipe 5 and a steel bar cage 6 downwards, synchronously pouring concrete along the pile pipe 5, allowing the concrete flowing continuously to flow out along a through groove 4 at the bottom of the pile pipe 5 and spread on the backing plate 2, limiting a flowing surface of the concrete by a coaming 3, enabling the bottom of the coaming to be flat and round, enlarging a stress surface by increasing the bottom area of a pile, enabling the sinking probability to be lower, and realizing the function of enlarging the bottom surface to prevent sedimentation.

Example 2: a gypsum cylinder 7 is arranged in the pile tube 5, fixing bolts 9 are respectively inserted into the front end, the rear end, the left end and the right end of the pile tube 5, the fixing bolts 9 penetrate through the interior of the pile tube 5 and extend into the interior of the gypsum cylinder 7, the pile tube 5 and the gypsum cylinder 7 are contacted with each other but not connected with each other, a plurality of groups of extending edges 8 are vertically and fixedly connected to the inner wall of the gypsum cylinder 7, and the extending edges 8 are arranged at equal intervals, so that the pile column is convenient to demould and prevented from collapsing and breaking;

specifically, as shown in fig. 1 and fig. 3, as concrete is continuously poured, when the pile body needs to be taken off during the forming process, the fixing bolt 9 is pulled out, then the pile pipe 5 is lifted upwards, the pile pipe 5 and the gypsum cylinder 7 are separated from each other, the gypsum cylinder 7 is sleeved outside the concrete and forms a main body of the pile column together with the reinforcement cage 6, and meanwhile, the concrete is prevented from breaking and collapsing, the extending edge 8 can increase the connection between the concrete and the gypsum cylinder 7, the fixing bolt 9 plays a role in fixing the gypsum cylinder 7, the falling off in the process of putting the pile pipe 5 down is prevented, and the function of preventing the pile body from collapsing during the shaping process is achieved.

Example 3: the bottom of the outside of the steel bar cage 6 is welded with a steel lantern ring 10, a plurality of groups of steel bar holes 11 are formed in the steel lantern ring 10, a plurality of groups of positioning steel bars 12 are vertically inserted into the outer edge of the top end of the chassis 1, and the size positions of the steel bar holes 11 correspond to the size positions of the positioning steel bars 12 one by one, so that the steel bar cage 6 can be conveniently horizontally placed to prevent inclination;

specifically, as shown in fig. 1 and 4, with the chassis 1 in place, the reinforcement cage 6 is lowered by a crane until the steel lantern ring 10 outside the reinforcement cage 6 touches the top of the positioning steel bar 12, the reinforcement cage 6 is pushed by a fork or other stick-shaped tool to rotate, so that the steel bar hole 11 on the steel lantern ring 10 is aligned with the positioning steel bar 12, the positioning steel bar 12 penetrates out along the steel bar hole 11, the reinforcement cage 6 is lowered vertically, and the position is limited, so that the function of preventing the vertical lowering from deflecting is realized.

The working principle is as follows: when the utility model is used, firstly, after the ground is pre-drilled with the pile holes, the chassis 1 is arranged at the bottom of the pile holes, the backing plate 2 is arranged between the chassis 1 and the ground, then the pile pipe 5 and the reinforcement cage 6 are put down, the concrete is synchronously poured along the pile pipe 5, the concrete which continuously flows gushes out along the through groove 4 at the bottom of the pile pipe 5 and is diffused on the backing plate 2, the coaming 3 can limit the flowing surface of the concrete, the bottom of the concrete is enabled to be in a smooth round shape, the stress surface is enlarged by increasing the bottom area of the pile, the sinking probability is lower, and the function of enlarging the bottom surface to prevent the sinking is realized; with the chassis 1 in place, the steel bar cage 6 is lowered by a crane until a steel lantern ring 10 outside the steel bar cage 6 touches the top of a positioning steel bar 12, the steel bar cage 6 is pushed to rotate by a fork or other stick-shaped tools, so that a steel bar hole 11 on the steel lantern ring 10 is aligned with the positioning steel bar 12, the positioning steel bar 12 penetrates out of the steel bar hole 11, the steel bar cage 6 descends vertically, the position of the steel bar cage is limited, and the function of preventing deflection during vertical lowering is achieved; along with the pouring of concrete, when the pipe needs to be taken off, the fixing bolt 9 is pulled out, then the pile pipe 5 is lifted upwards, the pile pipe 5 and the gypsum cylinder 7 are separated from each other, the gypsum cylinder 7 is sleeved outside the concrete and forms a main body of the pile together with the steel bar cage 6, meanwhile, the concrete is prevented from being cracked and collapsed, the extending edge 8 can increase the connection between the concrete and the gypsum cylinder 7, the fixing bolt 9 plays a role in fixing the gypsum cylinder 7, the pile pipe 5 is prevented from falling off in the process of putting down, and the function of preventing the pile body from being loose and collapsed in the process of shaping is achieved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bored concrete pile body of synchronous slip casting, includes chassis (1), its characterized in that: a reinforcing steel bar cage (6) is vertically arranged above the chassis (1), pile pipes (5) are arranged outside the reinforcing steel bar cage (6), gypsum cylinders (7) are arranged inside the pile pipes (5), fixing bolts (9) are respectively inserted into the front end, the rear end, the top of the left side and the top of the right side of each pile pipe (5), a steel lantern ring (10) is welded at the bottom end of the outside of the reinforcing steel bar cage (6), and an anti-settling structure is arranged at the bottom end of the chassis (1);

the anti-settling structure comprises a base plate (2), wherein the base plate (2) is fixedly connected to the bottom end of the chassis (1), and a coaming (3) is sleeved outside the base plate (2).

2. The simultaneous grouting bored concrete pile body according to claim 1, wherein: the vertical center line of the backing plate (2) is coincident with the vertical center line of the chassis (1).

3. The simultaneous grouting bored concrete pile body according to claim 1, wherein: four groups of through grooves (4) are formed in the bottom end of the pile tube (5), and the top end inside each through groove (4) is higher than the top end of the base plate (1).

4. The simultaneous grouting bored concrete pile body according to claim 1, wherein: the fixing bolt (9) penetrates through the interior of the pile pipe (5) and extends into the interior of the gypsum cylinder (7), and the pile pipe (5) and the gypsum cylinder (7) are in mutual contact but are not connected.

5. The simultaneous grouting bored concrete pile body according to claim 1, wherein: the vertical fixedly connected with multiunit of inner wall department of gypsum section of thick bamboo (7) extends arris (8), it is equidistant range to extend arris (8).

6. The simultaneous grouting bored concrete pile body according to claim 1, wherein: the inside of steel lantern ring (10) is provided with multiunit reinforcing bar hole (11), the outer fringe of chassis (1) top is vertical to be pegged graft and is had multiunit locating reinforcement (12), the size position of reinforcing bar hole (11) and the size position one-to-one of locating reinforcement (12).